What is the generic structure of the text above?

Although the account is in good standing at this point in time. is this sentence incomplete or complete?

Explain the subject-verb agreement rule that applies to a singular collective subject functioning as a single unit. demonstrate your understanding of the rule by composing a sentence that uses the singular collective subject "crew”

Decide whether each item is a sentence or a fragment. if its a sentence, write sentence. if it is a fragment, rewrite it to make a sentence. 1.)his mother, a gentle, yet strong woman. 2.)stepped from the boat after a rugged trip across the atlantic. 3.)diane dipped her doughnut into her milk before taking a bite. 4.)into the sky filled with dark thunderclouds. 5.)the car's hood, hot from the sun's rays.